Definition of software of computer

Jump to navigation Jump to search “Computer system” redirects here. A computer is a device that can be instructed to carry out sequences of definition of software of computer or logical operations automatically via computer programming.

Computers are used as control systems for a wide variety of industrial and consumer devices. Early computers were only conceived as calculating devices. Since ancient times, simple manual devices like the abacus aided people in doing calculations. Early in the Industrial Revolution, some mechanical devices were built to automate long tedious tasks, such as guiding patterns for looms. According to the Oxford English Dictionary, the first known use of the word “computer” was in 1613 in a book called The Yong Mans Gleanings by English writer Richard Braithwait: “I haue read the truest computer of Times, and the best Arithmetician that euer breathed, and he reduceth thy dayes into a short number. This usage of the term referred to a human computer, a person who carried out calculations or computations. Devices have been used to aid computation for thousands of years, mostly using one-to-one correspondence with fingers.

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The earliest counting device was probably a form of tally stick. The abacus was initially used for arithmetic tasks. The Roman abacus was developed from devices used in Babylonia as early as 2400 BC. Since then, many other forms of reckoning boards or tables have been invented. The ancient Greek-designed Antikythera mechanism, dating between 150 and 100 BC, is the world’s oldest analog computer. The Antikythera mechanism is believed to be the earliest mechanical analog “computer”, according to Derek J.

It was designed to calculate astronomical positions. Many mechanical aids to calculation and measurement were constructed for astronomical and navigation use. The planisphere was a star chart invented by Abū Rayhān al-Bīrūnī in the early 11th century. The sector, a calculating instrument used for solving problems in proportion, trigonometry, multiplication and division, and for various functions, such as squares and cube roots, was developed in the late 16th century and found application in gunnery, surveying and navigation. The planimeter was a manual instrument to calculate the area of a closed figure by tracing over it with a mechanical linkage. 1630, shortly after the publication of the concept of the logarithm. It is a hand-operated analog computer for doing multiplication and division.

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